Taylorsville, UT Building Safety: Carbon Monoxide Detectors (2026)
Key Facts
- Detector type
- Interconnected smoke and CO detectors
- Code basis
- IRC §§ 314.2.2 and 315.2.2
- Trigger
- Required before ADU business license issues
- Also applies to
- Licensed rental ADUs under § 5.76.130
Summary
Accessory dwelling units in Taylorsville must have interconnected smoke and carbon monoxide detectors before occupancy, per Taylorsville City Code § 13.11.010(B)(11)(h), which ties the requirement to International Residential Code sections 314.2.2 and 315.2.2. The detectors are one of the mandatory construction standards a building permit must cover, alongside fire-rated separation walls and emergency escape windows, before the ADU can receive the business license required for occupancy.
11. A building permit is required for the installation of any of the features listed below and any other construction related to the ADU. All construction must meet current building codes and shall, at a minimum, comply with the following standards prior to receiving a business license: ... ... h. Provide interconnected smoke and carbon monoxide detectors. (IRC 314.2.2 & 315.2.2)
Full Breakdown
Taylorsville's Land Development Code treats an accessory dwelling unit's carbon monoxide protection as a building-permit condition, not an afterthought. Section 13.11.010(B) sets ADU construction standards that must be met, at a minimum, before the unit can receive the business license required for occupancy, and item 11(h) requires interconnected smoke and carbon monoxide detectors, citing International Residential Code §§ 314.2.2 and 315.2.2 for the underlying interconnection and placement standards. That sits alongside other permit-triggering conditions in the same list: separate living facilities with permanent provisions for cooking and bathing (IRC 202), a minimum 32-inch side-hinged entry door that bypasses the garage (IRC 311), half-inch gypsum fire separation between the ADU and the primary dwelling (IRC 302.3), independent access to plumbing, HVAC, and electrical controls (IRC 1305.1 and 2005.2.1), a licensed HVAC professional's written adequacy statement, separated electrical branch circuits, and code-compliant emergency escape openings in sleeping rooms (IRC 310.1).
The same carbon monoxide and smoke detector requirement is repeated for licensed rental ADUs under § 5.76.130(B)(11)(h), since a rental ADU business license also requires proof the unit meets current building codes. An ADU is limited to detached single-family lots of 6,000 square feet or more, one per lot, and the property owner must occupy either the primary dwelling or the ADU, documented with two forms of proof at application.
Violations & Fines
An ADU cannot receive its Title 5 business license, and therefore cannot be occupied, until a building permit confirms compliance with § 13.11.010(B)(11), including the interconnected smoke and carbon monoxide detectors. Operating or renting an unlicensed ADU that lacks the required construction standards exposes the owner to denial or revocation of the business license needed to keep renting the unit.
Frequently Asked Questions
Do Taylorsville ADUs need carbon monoxide detectors?
When does the City check for CO detectors in an ADU?
Does the CO detector rule apply to rental ADUs too?
Sources & Official References
Other rules in Taylorsville
Compare Taylorsville to another location·View the Utah building safety overview
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